At what minimum slope can be laid such that velocity is less

Reference no: EM13310115

A circular PVC plastic (smooth) storm sewer has a diameter of 18 in. At the design flow, it is intended to have a relative depth of 0.8. At what minimum slope can it be laid such that the velocity is at least 2 ft/s at design flow and depositied solids will be scoured out by the deisgn flow?

Reference no: EM13310115

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